SI1153 datasheet(2/58 Pages) SILABS

Teilenummer	SI1153

Bauteilbeschribung	Proximity/Ambient Light Sensor IC with IC Interface

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Hersteller	SILABS [Silicon Laboratories]

Direct Link	http://www.silabs.com

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1. Feature List

• Proximity detector

• From under 1 cm to 50 cm without additional lensing.

• From under 1 cm to 200 cm with additional lensing (e.g., 5

mm hemispherical lens).

• Up to three independent LED drivers.

• 30 current settings from 5.6 mA to 360 mA for each LED

driver.

• Operates in direct sunlight with optional on-die 940 nm

passband filter.

• On die 940 bandpass filter that rejects unwanted visible light

and IR from daylight and other sources. (Si1153-AA09/

AA9x).

• Ambient light sensor

• <100 mlx resolution possible, allowing operation under dark

glass.

• Up to 128 klx dynamic range possible across two ADC

range settings.

• Industry’s lowest power consumption

• 1.62 to 3.6 V supply voltage.

• 9 μA average current (LED pulsed 25.6 μs every 800 ms at

180 mA plus 3 μA Si1153 supply).

• <500 nA standby current.

• 25.6 μs LED “on” time keeps total power consumption duty

cycle low without compromising performance or noise com-

munity.

• Internal and external wake support.

• Built-in voltage supply monitor and power-on reset control-

ler.

• Trim-able internal oscillator with typical 1% accuracy.

• I2C Serial communications

• Up to 3.4 Mbps data rate.

• Slave mode hardware address decoding.

• Two package options:

• 10-lead 2 x 2 x 0.65 mm DFN

• 10-lead 2.9 x 4.9 x1.2 mm LGA module with integrated 940

nm LED

• Temperature Range: –40 to +85 °C

Si1153 Data Sheet

Feature List

silabs.com | Smart. Connected. Energy-friendly.

Rev. 0.9 | 1

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